AMSOIL Authorized Dealer

Top AMSOIL Products

The most popular AMSOIL synthetic lubricants — each with a direct link to order through your Authorized Dealer. No pricing shown; order directly on AMSOIL.com with your Preferred Customer discount applied automatically.

Showing 10 of 10 products

P.i.® Performance Improver Gasoline AdditiveBest Seller
Fuel Additive

P.i.® Performance Improver Gasoline Additive

The most powerful gasoline additive available. Cleans fuel injectors, intake valves, and combustion chamber deposits in a single tank. Restores up to 14% fuel economy and reduces emissions.

  • Restores up to 14% fuel economy
  • Cleans injectors, intake valves & combustion chambers
  • Reduces harmful emissions
  • One bottle treats one full tank
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Signature Series 5W-30 100% Synthetic Motor OilTop Rated
Gasoline Motor Oil

Signature Series 5W-30 100% Synthetic Motor Oil

AMSOIL's flagship motor oil. Engineered for enthusiasts seeking maximum protection and performance. Guaranteed protection for up to 25,000 miles or 1 year, whichever comes first.

  • 75% more engine protection against wear
  • 50% more cleaning power vs. AMSOIL OE
  • Protects turbos 72% better than required
  • Up to 25,000 miles or 1 year, whichever comes first
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High Mileage 5W-30 100% Synthetic Motor Oil75K+ Miles
High Mileage Oil

High Mileage 5W-30 100% Synthetic Motor Oil

Specially formulated for vehicles with 75,000+ miles. Contains seal conditioners to rejuvenate aging gaskets and seals, helping reduce leaks and oil consumption common in high-mileage engines.

  • Formulated for vehicles with 75,000+ miles
  • Seal conditioners reduce leaks & oil consumption
  • Full synthetic protection for aging engines
  • Fights sludge and varnish deposits
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XL Extended-Life 5W-30 100% Synthetic Motor OilExtended Drain
Extended Drain Oil

XL Extended-Life 5W-30 100% Synthetic Motor Oil

Engineered for extended drain intervals up to 20,000 miles or 1 year, whichever comes first. Outstanding protection and performance for drivers who want longer oil change intervals.

  • Up to 20,000 miles or 1 year, whichever comes first
  • Excellent wear protection & engine cleanliness
  • Ideal for drivers who want fewer oil changes
  • Full synthetic formula
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OE 5W-30 100% Synthetic Motor OilOEM Intervals
Gasoline Motor Oil

OE 5W-30 100% Synthetic Motor Oil

Designed to provide outstanding protection during OEM-recommended drain intervals. The perfect choice for drivers who follow manufacturer maintenance schedules while still wanting full synthetic benefits.

  • Designed for OEM-recommended drain intervals
  • Full synthetic protection at an accessible price
  • Excellent fuel economy
  • Exceeds API SP and ILSAC GF-6 specifications
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Signature Series Max-Duty 5W-30 Synthetic Diesel OilDiesel
Diesel Engine Oil

Signature Series Max-Duty 5W-30 Synthetic Diesel Oil

The ultimate protection for diesel engines. Provides 6X more engine protection against wear than required by industry standards. Engineered for Duramax, Cummins, and Power Stroke diesel engines.

  • 6X more wear protection than industry standard
  • Engineered for Duramax, Cummins & Power Stroke
  • Fights soot contamination
  • Extended drain capable
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20W-50 Synthetic V-Twin Motorcycle OilHarley-Davidson
Motorcycle Oil

20W-50 Synthetic V-Twin Motorcycle Oil

Specifically engineered for Harley-Davidson and other V-twin motorcycles. A single oil that lubricates the engine, transmission, and primary chaincase. Reduces heat, wear, and clutch slippage.

  • One oil for engine, transmission & primary
  • Reduces heat & wear in V-twin engines
  • Minimizes clutch slippage
  • Recommended for Harley-Davidson motorcycles
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Severe Gear® 75W-90 Synthetic Gear LubeTowing & Hauling
Gear Lube

Severe Gear® 75W-90 Synthetic Gear Lube

Engineered for the most demanding gear applications including towing, hauling, and off-road use. Provides extreme-pressure protection for differentials, axles, and manual transmissions.

  • Extreme-pressure protection for differentials
  • Ideal for towing, hauling & off-road
  • Reduces gear wear under heavy loads
  • Excellent thermal stability
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Signature Series Multi-Vehicle Synthetic ATFUniversal Fit
Transmission Fluid

Signature Series Multi-Vehicle Synthetic ATF

A universal automatic transmission fluid engineered to meet the requirements of most domestic and foreign vehicles. Provides superior protection against heat, wear, and oxidation.

  • Universal fit for most domestic & foreign vehicles
  • Superior heat & oxidation resistance
  • Smooth shifting in all temperatures
  • Extends transmission life
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Ea® Oil Filters25,000 Miles
Filters

Ea® Oil Filters

AMSOIL's premium oil filter featuring a synthetic nano-fiber filtration media that captures 98.7% of particles that cause engine wear. Rated for up to 25,000 miles when used with Signature Series oil.

  • 98.7% efficiency at 20 microns
  • Rated for up to 25,000-mile drain intervals
  • Synthetic nano-fiber media
  • Superior to conventional paper filters
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SyntheticsTX is an Authorized AMSOIL Dealer. All products ship directly from AMSOIL. Prices are set by AMSOIL and may vary. Preferred Customer pricing requires a valid PC membership.